Catalyst for dimethyl carbonate synthesis

Details Catalyst for dimethyl carbonate synthesis Catalyst for dimethyl carbonate synthesis

B - Operations, Transporting

01

J

B01J 27/053 (2006.01) B01J 27/18 (2006.01) C07C 68/04 (2006.01) C07C 69/96 (2006.01)

Patent

CA 2522183

There is provided a catalyst for dimethyl carbonate synthesis which has a high conversion rate under the supercritical condition of C02 and can be handled easily. The catalyst for dimethyl carbonate is obtained by loading SO4 2- or PO4 3- on a carrier composed of a compound having a solid acid site, and is used to produce dimethyl carbonate from acetone dimethyl carbonate and C02 in a supercritical state. The component having a solid acid site is preferably one or more of ZrO2, Al2O3, and TiO2.

Catalyseur peu onéreux pour la synthèse de carbonate de diméthyle, qui présente un taux de conversion élevé dans des conditions supercritiques de CO2 et qui est facile à manier. Ledit catalyseur est obtenu par chargement de SO4<2-> ou de PO4<3-> sur un support constitué d'un composé ayant un site d'acide solide et utilisé pour la production de carbonate de diméthyle à partir d'acétal de diméthyle acétone et de CO2 à l'état supercritique. Ledit composé ayant un site d'acide solide est de préférence ZrO2 et / ou Al2O3 et / ou TiO2.

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